He let her hold it.
Her fingers rested across the faded words tattooed on his knuckles.
GO ON.
Ellie traced the letters carefully.
"I know what those say now."
Doc smiled.
"Do you?"
She nodded.
"Go on."
The biker swallowed.
"That's right."
She looked up at him.
"That's what motorcycles do."
Doc laughed softly.
"I guess it is."
Ellie smiled.
"And people too."
For a moment, the old biker couldn't breathe.
He looked toward Rachel and Mark.
Then he looked back at the little girl.
"Yeah, Princess."
His voice broke.
"People too."
That evening, after the family had gone home and the workshop had fallen quiet, Doc sat alone beside the motorcycle.
The drawing rested on his lap.
He studied the two girls, the pink seats, and the crooked yellow stars.
For eight years, he had believed that Sophie's unfinished promise was something he would carry forever as a failure.
He had imagined the ride they never took.
He had remembered the days he had postponed spending with her.
He had wondered whether she had died disappointed.
Now he looked at Ellie's drawing.
And for the first time, he understood that Sophie had left him something far more valuable than an unfinished adventure.
She had taught him how deeply a child could love the world.
She had taught him to notice things that adults overlooked.
And she had taught him that a promise wasn't always about reaching a destination.
Sometimes it was about continuing to care long after the road became difficult.
Doc stood.
He carried the drawing into the office and placed it beside the photograph of Sophie that had rested on his desk for years.
Then he took out the faded pink ribbon.
He held it gently.
"Hey, sweetheart," he whispered.
The room was quiet.
Doc looked at Sophie's photograph.
"We finally made one."
He smiled through tears.
"A pink seat and everything."
He looked toward Ellie's drawing.
"And there's room for your rabbit."
A soft laugh escaped him.
For several minutes, he remained standing there.
Then he carefully returned the ribbon to its place.
He turned off the office light.
And as he walked toward the door, his eyes settled on the words across his knuckles.
GO ON.
He had spent years wondering what those words were supposed to mean now that Sophie was gone.